Mobile and Wireless Security (CY-803 (A)) - Important Questions

Write a short note on any two :

Discuss the evolution of Wi-Fi standards and their implications on wireless networking trends?

What is a Wireless Personal Area Network (WPAN) and what distinguishes it from other types of wireless networks?

Explain the physical layer of WiMAX, including the modulation techniques and frequency bands it operates in.

What are the key differences between Mobile IPv4 and Mobile IPv6?

Explain the difference between proactive, reactive and hybrid routing protocols used in Ad Hoc Networks.

Explain the concept of multi-hop relay in wireless communication and its significance in Mesh Networks.

What are the key differences between 3G and 4G networks in terms of technology and performance?

What are the key features and capabilities of GPRS, and how do they support mobile data services?

What is RFID? Explain the principle of operation behind RFID technology and how data is transmitted between RFID tags and readers.

What is LTE? What are the key features and benefits of LTE technology?

Discuss the primary objectives of military security models and explain the role of hierarchical command structures in the model.

What is the purpose of an encapsulation header in IPv4 and IPv6 packets? Compare and contrast the structure of the encapsulation headers in IPv4 and IPv6.

What is e-commerce and how has it transformed traditional business practices?

What are electronic payment systems, and how do they facilitate financial transactions over electronic networks?